The Best Smoke and Carbon Monoxide Detector for 2023

Monitor smoke and CO levels and get alerts about abnormal levels so you can take quick action.

Smoke and Carbon Monoxide Detector

Fire outbreaks can be dangerous and destructive, potentially resulting in loss of life and damage to property. To prevent such disasters, it is important to protect our homes and buildings from fire. While it is not possible to make houses completely fireproof, smoke and carbon monoxide (CO) detectors can provide an important level of protection. These detectors are equipped with alarms that sound when the levels of smoke or CO in the air exceed normal levels, which can be a sign of a fire. By alerting you to the presence of a potential fire, smoke and CO detectors can help you take action to extinguish the fire before it causes significant harm.

 

 

 

 

How We Picked

  • Accuracy

    The ideal smoke and carbon monoxide detector should be accurate enough to correctly detect abnormally high CO and smoke levels that need attention. Accurate devices do not cause false alarms.

  • Testing and Alert Types

    Some smoke and carbon monoxide detectors have alarm alerts, while others have voice alerts. Choose one with a testing and alert type that meets your preference.

  • Battery Life

    The ideal smoke and carbon monoxide detector should have a long battery life to ensure that it is always working without having to charge it frequently.

  • Cost-Effectiveness

    The best smoke and carbon monoxide detector should be affordable to buy and maintain. It should also be durable and effective to give you value for your money.

Our Top Picks

Best Pick

Arikon 3-Pack Combination Detector

Arikon 3-Pack Combination Detector

Get notified about unusual smoke and carbon dioxide from afar using this loud 85-decibel alarm.

Given that it is small and portable, you can use it both inside and outside your home.

Buy Now for $48.99

This device has photoelectric sensors that detect smoke with minimal false alarms. It also has an electrochemical CO sensor that detects carbon monoxide as soon as it fills the air. These sensors allow you to respond quickly to a fire outbreak before any damage occurs. They also help you maintain a safe living environment with no poisonous gas or irritating smoke.

Runner Up

First Alert SCO5CN Combination Detector

First Alert SCO5CN Combination Detector

This battery-powered smoke and CO detector works even in the absence of a power connection.

A loud 85-decibel alarm warns people from a long distance of the dangers of smoke and/or CO.

Buy Now

This device measures 2 x 5 x 5 inches and weighs 10.5 ounces. It thus has a small structure that can fit in any small space on the wall or countertop. The low weight also allows you to fix or place the device anywhere without weighing down your wall or counter. A contemporary design and white color allow the device to fit into any decor.

Most Cost-Effective

Hathephs Smoke Detector

Hathephs Smoke Detector

You can use the silence button to turn the alarm off if everything is under control.

This detector has a long-lasting battery that provides adequate power for ten years.

Buy Now for $23.99

Hatheph's smoke/CO detector is white and ultra-thin. Thus, it fits on any wall of any color without compromising the decor. The ultrathin structure lies flat on your wall and does not show or stand out. The detector also has a loud, audible alarm. Therefore, it will alert you and your neighbors about abnormal smoke or CO levels in your space from a distance.

Everything We Recommend

Best Pick

Arikon 3-Pack Combination Detector

Arikon 3-Pack Combination Detector

Get notified about unusual smoke and carbon dioxide from afar using this loud 85-decibel alarm.

$48.99

Buy Now

Runner Up

First Alert SCO5CN Combination Detector

First Alert SCO5CN Combination Detector

This battery-powered smoke and CO detector works even in the absence of a power connection.

Buy Now

Most Cost-Effective

Hathephs Smoke Detector

Hathephs Smoke Detector

You can use the silence button to turn the alarm off if everything is under control.

$23.99

Buy Now

Who This Is For

The products we have reviewed here are ideal for use at home and in commercial settings. They are designed to alert you to unhealthy levels of CO and smoke that can be caused by fire. They can also be caused by poorly burned charcoal in an enclosed place with limited oxygen, which can cause death. Therefore, you can use them in any room for safety.  

How does a carbon monoxide detector work?

A carbon monoxide detector has a CO sensor in a small detection chamber. This sensor detects CO levels and raises an alarm when they are above the recommended level. If the levels are higher than average, the microchip in the sensor triggers an alarm. Some detectors also include a power indicator and an LCD screen that displays the CO levels in your room. This device is powered by batteries or a building’s electrical system. 

Do I really need a carbon monoxide detector?

Carbon monoxide is deadly at high levels. It requires the presence of oxygen to be converted into a less dangerous gas, carbon dioxide. It is produced when there is a fire in the absence of enough oxygen. It is impossible to detect the presence of CO in the air since it is colorless and odorless. You, therefore, need to install a CO detector to detect its presence. It is a necessary device if you value safety.

Why You Should Trust Us

Our main focus is helping shoppers make informed decisions by providing them with credible information. We evaluate different features that set ineffective products apart from the best products on the market. Consequently, we list and review the best products that will serve our audience well and give them value for money. 

How We Picked

We evaluated different factors to find the best smoke and CO detectors in the market. We evaluated features such as the accuracy of different smoke and CO detectors. Here, we checked whether they detect high CO and smoke levels as soon as they happen. We also checked whether the readings they display regarding CO and smoke levels are accurate according to previous users. We then picked and reviewed detectors that would provide accurate readings.

All our picks have high-decibel alarms that produce loud alerting sounds. They are, therefore, effective in alerting the people around them when there are suspicious CO and smoke levels. In return, they are able to respond and curb fire and property damage.

Smart device connectivity allows you to learn of abnormal CO and smoke levels in your space from your phone. This feature keeps you informed about the state of your space, even from a remote location. Some of our picks support this feature. Choose the plan that supports smart device connectivity if you would love to receive such alerts on your phone.

Fire accidents and CO presence can happen at any time. To keep your detector operational, keep it powered on at all times. As such, all our picks are battery-powered to ensure that they are powered even during power outages. All their batteries are long-lasting and retain power for long periods.

All our picks are compact and light. They are easily transportable and usable from one location to another. The small size also allows you to place them anywhere in your space. They do not take up too much space in your room. It does not displace items on your wall or countertop. Therefore, you do not need much space to have this device in your home.

 

 

Our Picks For You

Best Pick - Arikon 3-Pack Combination Detector

Best Pick

Arikon 3-Pack Combination Detector

Arikon 3-Pack Combination Detector

Get notified about unusual smoke and carbon dioxide from afar using this loud 85-decibel alarm.

Given that it is small and portable, you can use it both inside and outside your home.

Buy Now for $48.99

Who It's For

The Arikon Smoke and CO Detector is usable in any room, thanks to its neutral color and classy design. It is especially necessary for areas and rooms vulnerable to fire outbreaks, such as kitchens and industries.

Why It's Great

This smoke and CO detector is small and light. As a result, it is portable. It also occupies a small space in your room and can be placed anywhere. It is battery-powered and does not, therefore, rely on electricity. The battery has a long life, which eliminates the need for frequent battery replacement. The battery has a low-power alarm that alerts you when the battery is running out. Being powered by a battery also allows you to carry and use the device in areas with no power connection. Therefore, to use this device, you do not have to have electricity, and it will not increase your power bills.

Potential Flaws

Although this device is small and easily portable, previous users have complained about its applicability. It can only be mounted and is thus not often used in different places. You may need to drill holes in the wall to mount it, which is often not practical.

Other Features

The Arikon smoke and CO detectors have a loud 85-decibel alarm. This alarm is loud enough to alert you and other people around your home of an impending CO or smoke danger. This unit is also easy to install without the help of an electrician. It is a photoelectric sensor that detects smoke with minimal false alarms. An electrochemical sensor, on the other hand, detects and alerts you to the presence of carbon monoxide. It has a concentration display that shows the test value. You, therefore, get to know how much CO and smoke you are dealing with. The device also has an LED light indicator. A green light shows the power supply, a red light shows the alarm, and a yellow light shows faults. By looking at the LED indicator, you can tell if there is any fault or need for battery replacement, even with a faulty alarm.

Product Specifications:

Brand: ARIKON
Style: simple
Power Source: Battery Powered
Color: White
Item Dimensions: 4.17 x 4.17 x 1.45 inches
Alarm: Audible
Operating Humidity: 95 percent
Upper-Temperature Rating: 49 Degrees Celsius
Sensor Type: Electrochemical, Photoelectric

Runner Up - First Alert SCO5CN Combination Detector

Runner Up

First Alert SCO5CN Combination Detector

First Alert SCO5CN Combination Detector

This battery-powered smoke and CO detector works even in the absence of a power connection.

A loud 85-decibel alarm warns people from a long distance of the dangers of smoke and/or CO.

Buy Now

Who It's For

First Alert SCO5CN Smoke and CO detectors fit in any room with any decor. Get it if you fear fire outbreaks and the loss they bring. It will alert you when smoke and CO levels rise to abnormal levels.

Why It's Great

This CO and smoke detector is available in three different styles and five patterns. The variety gives you the liberty to choose one that matches your preferences. It has a loud alarm that is easily audible from far distances. The neutral white color allows you to use this device in any decor. A modern, attractive appearance also improves your home's decor. It measures 2 x 5 x 5 inches and weighs 10.5 ounces. The size and weight make it easy to carry around. It will also not weigh down or damage your wall upon installation.

Potential Flaws

Despite being easy to install and use, it did not meet some previous users’ expectations. It lacks voice alerts that some users deemed necessary.

Other Features

The First Alert SCO5CN Smoke and CO Detector features electrochemical and photoelectric sensors. The sensors detect both smoke and carbon monoxide present in the atmosphere. Indicator lights display the levels of smoke and CO in the air. The displayed results help you determine the intensity of smoke and CO in your house. When the battery is almost empty, the device produces a muted signal for up to eight hours. The EZ-Access battery drawer is easy to open, allowing you to access and change the batteries. You also do not need an electrician to set up this device. It is easy to install and easy to use without previous experience or technical knowledge. The manufacturer also has confidence in this device and offers a 7-year limited warranty.

Product Specifications:

Brand: FIRST ALERT
Style: Battery Powered Alarm
Power Source: Battery Powered
Color: White
Item Dimensions: 2 x 5 x 5 inches
Alarm: Audible
Sensor Type: Electrochemical, Photoelectric

Most Cost-Effective - Hathephs Smoke Detector

Most Cost-Effective

Hathephs Smoke Detector

Hathephs Smoke Detector

You can use the silence button to turn the alarm off if everything is under control.

This detector has a long-lasting battery that provides adequate power for ten years.

Buy Now for $23.99

Who It's For

This smoke and CO detector is ideal for any room in your residence or place of work. It alerts you to suspicious CO and smoke levels that are often a result of a fire.

Why It's Great

Hatheph's smoke and CO detector has a built-in battery, eliminating the need to buy separate batteries. The batteries are long-lasting and can run the device for up to 10 years. You, therefore, will not have to keep buying and replacing the batteries every few weeks. The long battery life also ensures 24/7, uninterrupted protection. This device is a 2-in-1 and detects both smoke and the presence of carbon monoxide. It has an electro-optical smoke sensor and an electrochemical sensor. Consequently, it helps you protect your home from these two potentially deadly threats.

Potential Flaws

This device comes with easy-to-follow instructions. However, previous users complained that you have to peel off the instructions sticker to lodge the batteries. As a result, you may be unable to preserve the sticker for future reference.

Other Features

A small structure allows you to hold and carry this detector from one room or building to another. The lightweight design also allows you to carry the device without weighing yourself down. It is highly sensitive and, thus, accurate. It detects smoke and CO quickly and displays the levels correctly. Therefore, there are no chances of false alarms or missing potential dangers. The ultrathin design allows you to install the device on your wall without compromising your decor. It is also easy to install and use and does not require you to get an electrician to do it for you. The package comes with free adhesive tapes and screws for installation purposes.

Product Specifications:

Brand: HATHEPHS
Power Source: Battery Powered
Color: White
Item Dimensions: 4.7 x 4.7 x 1.1 inches
Alarm: Audible
Sensor Type: Electrochemical, Photoelectric

Almost Made The Cut - X-Sense Smoke Carbon Monoxide Detector

Almost Made The Cut

X-Sense Smoke Carbon Monoxide Detector

X-Sense Smoke Carbon Monoxide Detector

A large LCD display clearly shows the CO and smoke levels in the air.

This detector runs on batteries, and it has a low battery warning so you can charge it right away.

Buy Now for $39.99

Who It's For

This device is small and light, making it ideal for any space. Get it if you would love to keep your house in check and safe in case of a fire outbreak.

Why It's Great

X-Sense Smoke and CO Detector is available in two designs. The standalone design does not require mounting and can be placed anywhere. The interconnected RF design, on the other hand, requires mounting on the wall. You get to choose the design that suits your building and preferences. This device is battery-powered and does not require electricity. Therefore, it still works in the absence of electricity and does not increase your power bills. The battery is durable and lasts for up to 10 years. It, therefore, saves you money since you do not need to buy replacement batteries frequently. The loud alarm is clearly audible from afar, allowing people to receive the alert and act fast.

Potential Flaws

Previous users expressed dissatisfaction with a number of features. Although it looks attractive and classy, this detector does not show the levels of smoke and CO in your atmosphere. The device also lacks standard hole locations. You, therefore, need to drill new holes even if you had another electric box installed earlier. Other users complained about fake advertising. It lacks a remote control, despite the advertiser's assertion that it does. As such, you need to get up and control it manually. It also often has false alarms that cause unnecessary panic. Furthermore, some previous users reported that connecting to the device is impossible. You need to learn how to pair it with other devices or get a technician to do so.

Product Specifications:

Brand: X-Sense
Style: Standalone Model
Power Source: Battery Powered
Color: White
Item Dimensions: 5.7 x 5.7 x 2 inches
Alarm: Audible
Sensor Type: Electrochemical

Care and Maintenance

Where you place your detector determines whether it will be effective. If you place it in an enclosed space or behind other items, it will not function as expected. The smoke and CO in your room will not reach the detector promptly. Therefore, it will not activate its alarm or voice alert as soon as it should. To avoid such mistakes, place it in an open place and not too high on your wall.

Test your CO/smoke detector regularly to ensure that it keeps working properly. To test your device, detach it from your wall and place it in a separate space. Light a fire and ensure that it produces a lot of smoke. Watch and record how long it takes for the detector’s alarm to go off. If it takes too long, then the device is either faulty or its sensor is losing its sensitivity.

You can also test for CO by lighting charcoal in a place with limited oxygen. Place the detector in the space and walk out to a place with enough oxygen to avoid poisoning yourself. Your detector is functional if its alarm goes off soon enough. During these tests, also check if the alerts are working. The sensors may be functioning properly, but the alerts could be faulty. If you discover that they are faulty, have them checked by a technician.

The batteries should always have enough power to keep them functional. Therefore, check the batteries regularly to ensure that they have enough power. If they are running out of power, get replacement batteries immediately to prevent them from shutting down.

In case of an emergency, call the firefighters immediately. Do not risk getting into the space if you do not know the extent of the fire or carbon monoxide. However, if the fire is still small and you can manage to put it out, extinguish it fast. Also, if you know the source of the CO, deal with it fast to prevent further harm.

If inhaled, carbon monoxide is a hazardous gas. It is formed by incomplete combustion in the absence of oxygen. It poisons the blood, causing headaches, chest pains, dizziness, and confusion. If the victim does not access oxygen within a few minutes of inhaling CO, the blood is poisoned, and they eventually die. It is thus a deadly gas that you should avoid at all costs.